<!DOCTYPE html>
<html ng-app="myApp">

	<head>
		<meta charset="utf-8">
	</head>

	<body>
		<div ng-controller="testCtrl">
			<input type="text" ng-model="testArr" ng-change="printModel()">
			{{testArr}}
		</div>
		<script src="angular-1.5.8/angular.min.js"></script>
		<script>
			var app=angular.module('myApp', []);
			app.controller('testCtrl',function($scope){
				$scope.testData="test";
				$scope.testArr=["eeee","dddd","rrrr"];
				$scope.printModel=function(){
					console.log($scope.testArr)
				}
			});
		</script>
	</body>

</html>